Jerry Hall has reportedly revealed that she thought her ex-husband Sir Mick Jagger would stay faithful to her.

The model admitted that she never believed that Jagger would have an affair after she helped him through his drug problem.

When asked by Tatler if she ever expected Jagger to cheat on her, Hall replied: "Well I thought that as I had helped him clean up with drug addiction, that that was part of it and that he might outgrow it."

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The 54-year-old said that when she discovered that the singer was having a baby with another woman, she had to put an end to their relationship.

She explained: "When he had a child with someone else, that was just the last straw.

"I did love Mick very much. But after years and years of being hopeful, you finally give up. Obviously I tried very, very hard. Sometimes it is better that things come to an end. I still love him very much - he's the father of my children."

Hall continued: "It was just one of those things. We met and fell in love. And love makes you do all kinds of things doesn't it?

"Mick was just so overwhelmingly funny and charming - and humour has always been something very attractive to me."